export {
	parseTime,
	formatTime
}
from '@/utils'

export * from '../filters/commFilter'

/**
 * Show plural label if time is plural number
 * @param {number} time
 * @param {string} label
 * @return {string}
 */
function pluralize(time, label) {
	if (time === 1) {
		return time + label
	}
	return time + label + 's'
}

/**
 * @param {number} time
 */
export function timeAgo(time) {
	const between = Date.now() / 1000 - Number(time)
	if (between < 3600) {
		return pluralize(~~(between / 60), ' minute')
	} else if (between < 86400) {
		return pluralize(~~(between / 3600), ' hour')
	} else {
		return pluralize(~~(between / 86400), ' day')
	}
}

/**
 * Number formatting
 * like 10000 => 10k
 * @param {number} num
 * @param {number} digits
 */
export function numberFormatter(num, digits) {
	const si = [{
			value: 1E18,
			symbol: 'E'
		},
		{
			value: 1E15,
			symbol: 'P'
		},
		{
			value: 1E12,
			symbol: 'T'
		},
		{
			value: 1E9,
			symbol: 'G'
		},
		{
			value: 1E6,
			symbol: 'M'
		},
		{
			value: 1E3,
			symbol: 'k'
		}
	]
	for (let i = 0; i < si.length; i++) {
		if (num >= si[i].value) {
			return (num / si[i].value).toFixed(digits).replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
		}
	}
	return num.toString()
}

/**
 * 10000 => "10,000"
 * @param {number} num
 */
export function toThousandFilter(num) {
	return (+num || 0).toString().replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
}

/**
 * Upper case first char
 * @param {String} string
 */
export function uppercaseFirst(string) {
	return string.charAt(0).toUpperCase() + string.slice(1)
}